Machine for operating upon sheet material



April 2, 1935. I E. w. STACEY MACHINE FOR OFERATING UPON SHEET MATERIAL Filed Feb. 1'7, 1931 ltll i lill I mmmmmmwwmmmw Patented Apr. 2, 1 935 i MACHINE immreimme mm: suits" Ernest fstacy," Beverly; Mash; assign'or to .United Shoe Machinery capitationrames;- 3. L, aeomomionof QWFW A Alen -we gee msilfseria No, 516,386 r I 412M "1 Tfi i hii if-ieifl 1 5 .fIibis invention reletesto machines forioperab spaced" eoliarsingupon sheet material and hereinillustratew which are xlidable along thearbnrbut aretkeyed as embodied in a machine for eutting-sheetme; te it iforrlotation therewith; 'Resifienteh eame; teriahsuch; as rubber, into strips,- forexampleillustrated as-az spmng carried the? arbo'rigis'l 53': of the type employed forffoxing ineanvas foot-j Operable toiexertmessm el axially aof-vthefarbor 62' W J uponrth'ecollarsand ciisksrcansingfrietionaien-EL: g

In stripping machines of one typeheretoiore gazementbetw ee'nfiflaansiifiicienzt upon. .rota tiun-? used, it has been customary to employ diskocutof the arbor; to 'rotateithe iiisks'andi'te force: ters located-zit spaced intervals along a rotatable dis'k-:m fi flm w V ter'ial advanced between themarbor end a work insthewrmgvpreesuressoithax mei pressure our support commonly in the form-10f: 5 roll. Ir the1cutters"upon theffwork' slipport can'hepregu a cutting certain materials, such resIrubben ithas lated 3-; :--.v.1-:1;1 been found in many instances that more Isatis 'lhi's'c'onsttmtibn ispartleularlyiadvantegeous factory cuttingis "Ibbt'ained by forping the cutter in rbtfit'ioniof the the cutting 15;

throughithe materialinto erigagementwith disks-arecontimmllyiidrcezi thebackingi. Work support thanby attempting;-v to shearr the. mem'berfihus insuring accurateiuittingfof mate fl material. However, eox siriereble riifiicifltgghes g riel'adwencedipast the hav attended the use in this ma er o iidisk cutters comparativelyibmntedges'lcanbeused to zo mounted upon-engarbor, by; reeisdnoi m rg r vantager thusltd pmlnhgthe life ofthefbackizn'gfl);

that all of the putters mustibeeceuretelyiground member'a-xnnthennnre, ibisinot iiecessaryfithat" v to the same'diameterso thatthey willibeerevehly the disks bent the se'me fcliameten-gthu sy'obviet upon r-the work support; ,0therwise,;.somejeflthe ing any necessityrtor aecdmte grinding IIiJVieW" cutters will not'out cleanly throughithe meterialg' ofithe fact that the'tnrier fradiibt the disks-are :-This difficulty is aggravated, in cases whereuthe 1; greete'n than "the' mdiulsfofvthei ;-bor; kd1st0rtiorr*255 arbor is jeomparatively long, by" the/IgetthaQLfl ofitheilatter'willnot'efiebt the cutting and,-'cdr1 under [thepr'essure required .to monument-ting; s quent y, t e 811301 y fi fi m n unless the erbor is of massivelponstruotior it 'IBiS COIISHIICtiOnIQISG-IMHCQEES m1;'semblv 501" may be s t d t0 S HB tentLth'at, s'omeof disks upori'the arborior the cutting- 0fstripsiot ao the cutters will not pass completely throughfthe vairious widths at the-seme'time, it'being poss1ble" 30., 'material at allltimes during their'rotartiomfthus ta e-pace the disks amng-themrbor' as required? resulting in incomplete severing" 'ofastripsor by mekiniglzseot eollars'ot'the proper length. :1 theprodubtionof strips hailingrflggfided'gehor-y j ob'jects andfeatureee offthe invention tions I wiil'beappdrenfifrom thefollowing-detailed de In view of thelforegoirig; it"isferr bjeetf scription when taken ineonneetion with mew-=3 present inventiohto pro ide 1 .311 improved me 1-cempariymg drewingarid will*poihted'out'in chine of the type referre'dio whichwithoutsacthe' cleims'; I I rificing .anyo'f the advantages fofws uch machines; In the'drawin 1 asheretoforeconstructed, willbe light'in its eonf-f Figfil is-a; crcss sectional viewampere 40 2 stru tion and accurate in its operation, and which, verseli through e'mqem e embodying the'iziven e0 v will requireilittle effortinthe'a s s'emblxend main-f tiom" V theinyentio 'eonsistsin the provisior'i'ofebeckw 1 15 1 f L i ing member or work support end a rotatable arr' 1 1 7ig.-.s; is a eross Q 'k n 3301195111185? :;bQrupon which isoloosely-cerriedian kenh nS5 :1"

the inner radiusof which is greater than that 'Ihefmechihe i1lustreted''in the drawing is' 7 or the arbor and the outer radius loi' ewhibh is; S ne""D f i 7 i f i g p greater than the distariee betweeri the alxisoithef from iii'wulcelnized sheet i'ubber." fI'his machine} arbor and the work support, together \irith'mearis comprises fireme :h'aving 'twestandards ,12

I for'rotating the tool for operation upons rieet malwitl'iinwh ich' are rotetably mourited-eiifarbor :14 50;;

teriel 'advanced between the arbor and the Work" and a work siipieortor-baekin'g roll fl'i' men' q support} r '9 with theiralkes parallel; The arbor M ba rries'e Preferably, and as illustrated the annular tool 1 plurality I 'of (fluttersor slitters in the form of is in the form of a cutting dislg, and a} plurality disks-J8 which; upon rota'tion ot fthesrbor ahd 501 such disks is carried by the arbor; the ifdisks bakiri "rollyooop'erat'e*With'the'latterrto severi fiie arbor for' rotation therewithii: .v w H 1 3. A machi'n"e' for operating sheet mate riaLcQmprising an arboi' and abacking' member, an-annular tool loosely earned tithe arbor, the reater than the .radius ofthe arbor and'th ter radius of- 'the' cutting tools looselycarried by 'the} arbor-,-"the inner radii oi" said tools 'being greater than'theradius of the arbor and" "e outer radii oi s aid tools being} greater than the' distanoe between theaxis' of" the-arbor and the; backing member} and yieldable means for-securing the tools to; the

inner radius of said to'olf' tool being greater than'the'dlstance' between the axis of the arbor-aridthe'backiiig"memberyand means for effectingrotation of the tool and arbor to cause engagement of the tool with sheet material advanced between the arbor and the backing member.

4. A machine for operating upon sheet material, comprising a work support, a rotatable arbor, a plurality of annular tools loosely carried by the arbor, the inner radius of each of. the tools being greater than the radius of the arbor and the outer radius of each of the tools being greater than the distance between the axis of the arbor and the work support, and meanscarried by the arbor for frictionally engaging the tools to cause them to rotate with the arbor for forcing the tools toward the work support-in effecting an operation of the tools upon sheet material advanced between the arbor'and thework support. i

5. A machine foroperating upon sheetmaterial, comprising an arbor, a plurality of cutting tools loosely carried by the arbor, collars secured to the arbor for rotation therewith and arranged frictionally to engage the tools, means forrotating the arbor and yielding means for exerting pressure upon the collars to eifect rotation of the tools upon rotation-of the arbor. I

6. A machine for operating upon sheet material, comprising an arbor, a plurality of cutting tools loosely carried by the arbor, collars secured to the arbor for rotation therewith and arranged to engage the tools, yielding means operable upon rotation of the arbor for causing frictional engagement between the collars and the tools to rotate the latter, and means for regulating the pressure exerted by the yielding'means.

tools are rotated about the arbor.

8. A machine for operating upon sheet ma-' 7. A machine for operating upon sheet material, comprising a work support, a rotatable arbor, a plurality of annular cutting tools loosely carried by the arbor, the inner radius of each of which is'greaterthan the radius of the arbor and the outer radius of each of which is greater than the distance between the Work supportand the arbor, whereby upon rotation of the arbor the axes eccentricto that of terial, comprising a rotatable arbor, annular cutting toois floatingly carried by the arbor; means for spacing the tools along the arbor, and yield' terial, comprising a=ri'lta table" arbor,aplurality V v of annular cutting "tools carried bythe arbor, collars carried by the arbor andkeyed to-itfor rotation ther'ewith, said collars beingi locatedbe tween success'ive tools to -space tlie l latter along m nrbo'fia stop on thearbonend'resilient-means for forcing the collars and 'tools towardjthe stop:

to clamp" them together foreffecting m the toolsupon rotation of the arbor; .r

a 5:10. A cutting a 1 i and .a :work supp rt: an annular utti loosely carried by arborfthe =innerradius of said cutting Jdisk being greater than the radius .-'of thefarbbrlandthe outerkradius of the disk; being greater than theidistance between the axis of the. *arborland theworlr support, and means I for :eflectingsrotation of itheirli'sk forieutting ksheet we e i materiaiieadvanced. between thenarbor and the:

worksupportjiss .11.; A cutting machine rotatable backing I011, a;aotatable arborrpositionedi with. its:

axis parallel tothat of the backing roll,.'a plni-.i

rality of cutting disks loosely carried by the arbor, collars mounted upon thearbor for spacingthe disks longitudinally of the arbor, and resilient means for exerting pressure upon" the collars and disks longitudinally of the arbor.

12. A cutting machine comprising a rotatable" arbor, a rotatablebacking roll spaced'from the arbor, a plurality of annular cutting disks surroundingthe arbor, the inner radius of each disk being greater than the radius of the arbor and between successive disks to space the disks longitudinally of the arbor, and means for exerting pressure upon the disks and collars to rotate the disks.

13. A machine for operating upon sheet mae. terial, comprising a rotatable arbor,a plurality of annular cutting disks looselycarried by the arbor,'a plurality of collars for spacing the disksv longitudinally of the arbor, means for securing the collars to the arbor for rotation therewith,

and resilientmeans for causing frictional engagement of the collars with the disks to effect rotation of: the disks upon rotation of the arbor.

14. A machine for operating upon sheet material, comprising a rotatable arbor, a plurality.

of annular cutting disks loosely carried by the arbor, a plurality of collars slidably mounted upon the arbor for spacing the disksialong the arbor and having each a pin, alongitudinally extending keyway in the arbor within which each of the pins is positioned so that thecollars are slidable along the arbor but are rotatable therewith, a stop on the. arbor for limiting movement V of the disks and collars longitudinally thereof,

and a spring for forcing the disks and collars toward the stop.

15. A machine foroperating upon sheet material, comprising a backing roll and arotatable arbor having their axes parallel, a plurality of annular cutting disks loosely carried by the arbor the inner radius of each of thedisks being greater:

than the radius of the arbor and the outer radius 7 of each of .the disks being greater-"than the dis-' tance between the axis of the arborand the peripheryof the backing roll, a plurality of collarsj keyed to the arbor and slidablelongitudinally thereof for spacing the disksalong the arbor, a. i flange, onthe arbor, and aspring carried by the arborior forcing the. disks and collars toward a tionof the disks toward :the'backing rollupon rotation of the arbor.

the"flange with sumoientgpressure to cause rota- 16. 1A machine for opemmupan sheet inaterial comprising an arbor, ,an annular. cutting disk mounted for rotation upon the arbor and havingan inner radius substantially greaterthan 7 the radius of the arbor to provide for yielding or the disk 1a'dially o f the arbor, collars slidably se.'-

cured to'zthe arbor; and means for exerting pressure upon the collars longitudinally of :the'arbor ;1 8,;Slitting nieansincludingi afbacking r011 an annular supporting member,- a plurality oi" score-cut;s1itters, to, engage '1 the backing 011,110- tat'ably mounted onthe annular supporting ime mnandfmewl to admit or ,individual'fyielding movement" of v said slitters fone independently 10f another in a direction radial fwithirespect i'.o ;sa.i lv

supporting, member and'lat any point circumIeri-v.

entially 'Vthereot when, slitter's are pressed against, thebacking .roll.--- s 19. slitting means includin i a backing-roman. annular supporting member; a plurality oi'rscoree" out slitters, toiengagethe-backing roll-, niounted on the annular'supportingmember,rspacing members mounted .on the supporting member between-the slitters, and means to of indie vidua l yielding movement of lsaidslitters oneinrespect to saidsupporting member and at any point circumferentially thereof when' said are pressed against the backing roll.

" ERNEST w. STACEY dependently of anotherina direction' 'radial with; Y

slitters. .20

CERTIFICATE 0F GORRECTWN.

Patent No. 1,996, i27. April 2. 1935.

ERNEST W. STACEY.

it is hereby certified ihat error appears in rile printed eeeciiicatien of the above numbered patent requiring correction as follows: Page i, first coiurmi, line 8, claim 16, after "yieiriing" insert the word movement; and that rhe said Letters Pateni should be read with this correction rherein that the same may conform to the record of the case in the Patent @iiice.

Signed and sealed this 27th day of August, A. D. 1935.

Leslie Frazer (Seal) Acting Gummissiener of Patents. 

